* {
    margin: 0;
    padding: 0;
    list-style: none;
}

html,
body {
    height: 100%;
    width: 100%;
    background: black;
}

.wrap {
    height: 100%;
    width: 100%;

}

.swiper-container {
    width: 1200px;
    height: 600px;
    /* border: 1px red solid; */
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -600px;
    margin-top: -300px;
    overflow: hidden;
}

.swiper-wrapper {
    width: 200%;
    height: 100%;
    transition: margin-left .5s
}

.swiper-slide {
    width: 1200px;
    height: 600px;
    float: left;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
}

.swiper-pagination {
    text-align: center;
    position: relative;
    bottom: 50px;
}

.swiper-pagination ul {}

.swiper-pagination ul li {
    display: inline-block;
    margin-left: 10px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ccc;
}

.active {
    background: red !important;
}

.swiper-button-prev {
    height: 220px;
    width: 80px;
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -110px;
    text-align: center;
    line-height: 220px;
    font-size: 36px;
    background: rgba(0, 0, 0, .3);
    transition: width .5s
}

.swiper-button-next {
    height: 220px;
    width: 80px;
    position: absolute;
    top: 50%;
    right: 0;
    margin-top: -110px;
    text-align: center;
    line-height: 220px;
    font-size: 36px;
    background: rgba(0, 0, 0, .3);
    transition: width .5s
}